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Round|Natural|IGI

1.31ct D IF Round Natural Diamond

EX • D/IF • IGI 756554865

Shape and cutting style on the report: Round brilliant

Certificate IGI 756554865

Diamond specifications and retailer prices

From $12,324 AUD
SGD 11,713 SGD
As of October 27, 2026
Save $11,599 AUD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $23,923 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 756554865. Listed at 8 retailers as of October 27, 2026, with prices from $12,324 to $23,923, a $11,599 spread on the same certified stone. NZ Jewellers lists it at $23,923. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 756554865
Dimensions6.95 × 6.99 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.95 mm6.99 mm1.31 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 756554865
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $23,923 AUD|Low: $10,696 AUD|High: $23,923 AUD|Avg: $15,380 AUD|+5.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5$12,324 AUD
Retailer 8$12,834 AUD
Retailer 2$12,888 AUD
Retailer 7$14,304 AUD
Retailer 6$14,525 AUD
Retailer 4$15,249 AUD
Retailer 3$18,782 AUD
NZ Jewellers$23,923 AUD

44 data points across 8 retailers

8 retailers$12,324 AUD to $23,923 AUD

A
Cheapest Retailer
-
$12,324 AUD
SGD 11,713 SGD
Returns within 30 days
A
Retailer 2
-
$12,834 AUD
$9,026 USD
View
Final sale: no returns
A
Retailer 3
-
$12,888 AUD
£7,137 GBP
View
Returns within 30 days
A
Retailer 4
-
$14,304 AUD
$10,060 USD
View
Returns within 21 days
A
Retailer 5
-
$14,525 AUD
$10,215 USD
View
A
Retailer 6
-
$15,249 AUD
€10,214 EUR
View
Returns within 100 days
A
Retailer 7
-
$18,782 AUD
£10,401 GBP
View
Most Expensive
B+
NZ Jewellers
1d74bd53-5d37-4414-b54c-5a443e32f71b · Oct 27
$23,923 AUD
$16,825 USD
View
Returns within 30 days
7 more retailers have this diamond
Prices start from $12,324 AUDSave up to $11,599 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.31ct Round
$12,324 AUD